Помогите пожалуйста решить!!!

Решите задачу:

$2,A)\ \ \ \left\{{{0,9(5x+2)-2x\ \textless \ x+1,5}\atop{2,5x-0,4(9-x)\ \textless \ 2x-2,4}}\right\left\{{{9(5x+2)\ \textless \ 30x+15}\atop{5x-4(9-x)\ \textless \ -24}}\right\left\{{{45x+18\ \textless \ 30x+15}\atop{5x-36+4x\ \textless \ -24}}\right\left\{{{x\ \textless \ -0,2}\atop{x\ \textless \ \frac{4}{3}}}\right\\\\OTBET:x\ \textless \ -0,2\\\\2,B)\ \ \ \left\{{{\frac{x-2}{3}-\frac{x-1}{2}\ \textless \ 3}\atop{\frac{5x-12}{3}\leq0}}\right\left\{{{2x-4-3x+3\ \textless \ 18}\atop{5x-12\leq0}}\right\left\{{{x\ \textgreater \ -19}\atop{x\leq2,4}}\right\\\\OTBET:x\in(-19;2,4]\\\\3)\ \ \ OTBET:x\in[1;4)\\2\leq\frac{4x+2}{3}\ \textless \ 6\\6\leq4x+2\ \textless \ 18\\4\leq4x\ \textless \ 16\\1\leq x\ \textless \ 4$